Software Alternatives & Startups

quackr VS CloudLinux

Compare quackr VS CloudLinux and see what are their differences

quackr

Temporary Phone Numbers & Virtual Numbers for SMS Verification

Rating
0 reviews
Pricing
Open source Freemium $12.99 / Usage
CloudLinux

Making Linux secure, stable, and profitable for thousands of hosting providers and data centers worldwide.

Rating
0 reviews
Pricing
Open source
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, quackr seems to be more popular. It has been mentioned 49 times since March 2021.

social mentions
49 vs 0
Temporary Phone Numbers popularity
100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

quackr
CloudLinux
Website quackr.io cloudlinux.com
Pricing
Open source Freemium $12.99 / Usage Official pricing
Open source
Company Startup from the United Kingdom —
Listed in

About quackr and CloudLinux

In their own words, as submitted to SaaSHub.

quackr
CloudLinux

Quackr provides temporary phone numbers, temp numbers, and virtual numbers to receive SMS verification online without a physical SIM card.

Read more about quackr

No description of CloudLinux yet.

Features and specs

What each product offers, as listed by its team.

quackr 3 features
CloudLinux 5 features
  • Temporary Phone Numbers
    Rent a temporary phone number to receive SMS verification codes online.
  • Receive SMS Online
    Receive SMS messages instantly for OTPs, 2FA, and account verification.
  • Receive Only Service
    Quackr is designed to receive SMS only no calls or outbound messages.

Possible disadvantages

  • Limited Usage
    Because these are temporary numbers, they may not work for receiving important or long-term communication, as the number might expire or be reused by someone else.
  • Service Compatibility
    Not all services accept temporary phone numbers for verification, which can limit the use of Quackr for certain websites or applications.
  • Potential Overuse
    Popular temporary numbers might receive a lot of verification codes or messages, which can become overwhelming and result in missed messages intended for the user.
  • Enhanced Server Stability
    CloudLinux uses its lightweight virtualization technology (LVE) to isolate each tenant on a shared hosting server, preventing any single user from consuming excessive resources and crashing the server for everyone else. This ensures consistent uptime and performance.
  • Improved Security with HardenedPHP and KernelCare
    CloudLinux offers HardenedPHP, which patches old and unsupported PHP versions against known vulnerabilities, and KernelCare, which provides live kernel patching without requiring server reboots. These features significantly enhance server security posture.
  • Resource Limit Management
    Administrators can set granular resource limits (CPU, memory, I/O, number of processes, etc.) per user account using LVE Manager. This makes it easy to manage shared hosting environments and ensure fair resource distribution among tenants.
  • CageFS File System Virtualization
    CageFS creates a virtualized file system for each user, preventing them from seeing other users on the server, viewing sensitive configuration files, or exploiting server vulnerabilities. This adds an important layer of isolation and security.
  • Wide Compatibility with Hosting Panels
    CloudLinux integrates seamlessly with popular hosting control panels such as cPanel, Plesk, and DirectAdmin, making it straightforward for hosting providers to adopt without overhauling their existing infrastructure or workflows.

Possible disadvantages

  • Additional Licensing Cost
    CloudLinux requires a paid monthly or annual license on top of the base server cost. For smaller hosting providers or individual server owners, this additional expense can add up and may not always be justifiable compared to free alternatives.
  • Limited to CentOS/RHEL-Based Systems
    CloudLinux is built on top of RHEL/CentOS and does not support other Linux distributions like Ubuntu or Debian. This limits its adoption for hosting providers who prefer or already run non-RHEL-based environments.
  • Learning Curve for Configuration
    While CloudLinux provides powerful resource management tools, properly configuring LVE limits, CageFS, PHP Selector, and other features requires a solid understanding of the platform. Misconfiguration can lead to users being unnecessarily restricted or resources being poorly allocated.
  • Potential Performance Overhead
    The additional layers of virtualization, resource monitoring, and file system isolation introduced by CloudLinux can impose a slight performance overhead on the server compared to running a bare, unmodified Linux distribution without these controls.
  • Dependency on CloudLinux Ecosystem
    Adopting CloudLinux means relying on their ecosystem for kernel updates, PHP patches, and security fixes. If the company experiences delays in releasing patches or changes its pricing/licensing model, hosting providers may find themselves locked into a dependency that is difficult to migrate away from.

Analysis

An editorial look at what each product does well and who it suits.

quackr
CloudLinux

Overall verdict

  • Quackr is considered a good service for individuals seeking a simple and efficient solution to avoid using their personal phone number for verification purposes. However, the effectiveness and reliability can vary based on location and service needs.

Why this product is good

  • Quackr is generally well-regarded for its ability to provide temporary phone numbers for SMS verification, which helps users maintain privacy and security when interacting with online services that require phone number verification. It offers a straightforward platform that is easy to use and supports multiple international numbers, making it versatile for users across the globe.

Recommended for

    Quackr is recommended for users who prioritize their privacy by not sharing personal phone numbers, frequent digital nomads engaged with international services, and anyone attempting to bypass SMS verification without a personal or permanent number.

Overall verdict

  • CloudLinux is a well-regarded, mature Linux OS distribution and toolset specifically designed for shared hosting and multi-tenant server environments, offering strong isolation, resource management, and security features that make it a solid choice for hosting providers.

Why this product is good

  • Provides LVE (Lightweight Virtual Environment) technology for per-tenant resource isolation, preventing 'bad neighbor' effects on shared servers
  • Enhances server stability and security by isolating users so that one account's issues (crashes, resource spikes) don't affect others
  • Offers extended lifecycle support (longer than standard CentOS/RHEL support windows), which is valuable for legacy systems
  • Includes tools like CloudLinux OS Shield, Imunify360 integration, and hardened kernel options for improved security
  • Compatible with popular control panels like cPanel and Plesk, making it easy to integrate into existing hosting stacks
  • Backed by an established company with a long track record in the hosting industry and responsive support
  • Offers granular control over CPU, memory, I/O, and other resources per user account
  • Provides PHP Selector and multiple PHP version support, useful for hosting providers serving diverse client needs

Recommended for

  • Web hosting companies running shared or reseller hosting environments
  • Hosting providers needing to isolate customer accounts on the same physical server
  • Businesses requiring extended OS support lifecycles beyond standard RHEL/CentOS EOL dates
  • Enterprises using cPanel or Plesk that want tighter security and resource control
  • Hosting companies looking to reduce support tickets caused by noisy-neighbor resource contention
  • IT teams managing multi-tenant infrastructure who need governance and monitoring tools built into the OS layer

Videos

Walkthroughs and reviews on video.

quackr 0 videos + Add
CloudLinux 3 videos + Add

No quackr videos yet. You could help us improve this page by suggesting one.

When To Use Cloudlinux On Your Virtual Private Server (VPS)

More videos

  • - CloudLinux OS+ in a minute: Explore Features
  • - How CloudLinux Plans to Keep CentOS 6 Alive

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
quackr
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing quackr and CloudLinux.

What makes your product unique?

quackr's answer

Quackr stands out by offering a seamless bridge between free public access and premium private security. Unlike many competitors that rely solely on low quality VoIP numbers (which are often blocked), Quackr provides Private Non-VoIP Numbers sourced from real SIM cards. This ensures high deliverability rates for strict services like Tinder, Gmail, and Banking apps, giving users a level of reliability that standard free sites cannot match.

Which are the primary technologies used for building your product?

quackr's answer

Quackr is built on a robust cloud infrastructure designed for speed and security. We utilize advanced telecommunications APIs to bridge real world SIM networks with our digital dashboard, ensuring near instant SMS delivery. Our frontend uses modern frameworks (like React/Next.js) to ensure a fast, responsive experience on both mobile and desktop.

What's the story behind your product?

quackr's answer

Quackr started with a simple mission to stop SMS spam. We realized that requiring a personal phone number for every minor sign-up was a privacy risk. What began as a free tool to protect users from telemarketers has evolved into a comprehensive privacy platform, helping thousands of users globally verify accounts securely without exposing their real identity.

How would you describe the primary audience of your product?

quackr's answer

Our primary audience consists of privacy conscious professionals, digital marketers, and cybersecurity enthusiasts. This includes social media managers managing multiple accounts, developers testing authentication flows, and individuals who want to secure their personal data against data breaches. They are users who value their digital footprint and are willing to invest in secure, private verification methods.

Why should a person choose your product over its competitors?

quackr's answer

Competitors often provide recycled, spam filled numbers that fail verification checks. Users choose Quackr because we offer guaranteed privacy. With our paid rental option, users get a dedicated number that is theirs alone no shared messages, no interference. We combine the ease of a "one click" free service with the professional reliability of a paid private line, giving users the best of both worlds.

User comments

Share your experience with using quackr and CloudLinux. For example, how are they different and which one is better?

Log in or Post with

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

quackr 49 mentions
CloudLinux 0 mentions
  • Ask HN: Is there a temp phone number like temp email?
    There are lots of them: https://quackr.io/ https://receive-smss.com/ https://sms24.me/ https://temp-number.com/ https://onlinesim.io/. - Source: Hacker News / about 1 year ago
  • Did people really use "burner phones"?
    I'm also curious because it seems like using a phone with no strings attached today seems almost impossible unless you get an actually old phone, which either works poorly or costs a lot as part of a retro collection or something. Even... Source: about 3 years ago
  • I'm back and the chair has never been stronger.
    You can also take this poll over at bettor edge, and whichever team gets the most votes, will get an extra 5k donated to their respective charity (the loser will still get a 1k donation). So if you are so inclined, head over there and... Source: about 3 years ago

View more

Tracking CloudLinux since Mar 2021.

Alternatives to quackr and CloudLinux

When comparing quackr and CloudLinux, you can also consider the following products.

  • SMS-man.com

    SMS-man offers a virtual numbers to receive SMS and create multiple accounts on WhatsApp, Telegram, Instagram, Twitter, Amazon and others. The SMS-man service provides numbers of such countries as China, US, India, Russia, UK, Germany, Ukraine etc.

    Compare SMS-man.com to quackr or CloudLinux:

  • Smspva

    The best SMS activation site! Operating since 2013. Payment by card. 60+ countries numbers. Purchase without registration!

    Compare Smspva to quackr or CloudLinux:

  • AnonymSMS

    Totally free online service whereby you can Receive SMS Online, without the need of inputting your own mobile/cell number.

    Compare AnonymSMS to quackr or CloudLinux:

  • HeroSMS

    Receive SMS online to virtual numbers — use directly on site or via API to register accounts of any service and application, receive profits and discounts

    Compare HeroSMS to quackr or CloudLinux:

  • Temp SMSS

    The fastest free Receive Temp SMS and disposable numbers for receiving SMS online services on the internet. Tempsmss.com offers virtual phone numbers and real phone numbers fir FREE.

    Compare Temp SMSS to quackr or CloudLinux:

  • Buynumber.io

    Buy Virtual Phone Number for SMS Verification with Bitcoin & Crypto(BTC, USDT, ETH, XMR, etc) - Receive SMS & OTP Online - Verification for WhatsApp, Telegram, Facebook, other account

    Compare Buynumber.io to quackr or CloudLinux: